18778680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{52163}}^1$

素因数の和:52180

約数の個数: 48

約数和(自身を含む): 61031880

約数和(自身を除く): 42253200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 52163, 104326, 156489, 208652, 260815, 312978, 417304, 469467, 521630, 625956, 782445, 938934, 1043260, 1251912, 1564890, 1877868, 2086520, 2347335, 3129780, 3755736, 4694670, 6259560, 9389340, 18778680]

約数ペア:

[(1, 18778680), (2, 9389340), (3, 6259560), (4, 4694670), (5, 3755736), (6, 3129780), (8, 2347335), (9, 2086520), (10, 1877868), (12, 1564890), (15, 1251912), (18, 1043260), (20, 938934), (24, 782445), (30, 625956), (36, 521630), (40, 469467), (45, 417304), (60, 312978), (72, 260815), (90, 208652), (120, 156489), (180, 104326), (360, 52163)]